A serial interface published by the EIA for asynchronous data communication over distances up to a few hundred feet. Characterized by a single-ended (not differential) physical layer, it uses one signal wire for transmission, another for reception, and a
The term "serial" interface is often used for an RS-232 interface. The usage is not quite accuratewhile RS-232 is a serial interface, there are other serial interfaces in addition to RS-232.
